mathsurgery - Statistical enquiry year 7

All
• Answer a set of related questions by collecting, selecting and organising relevant data; draw conclusions, using ICT to present features, and identify further questions to ask (Y5)
• Suggest and test hypotheses (Y6)
• Solve problems by collecting, selecting, processing, presenting and interpreting data, using ICT where appropriate; draw conclusions and identify further questions to ask (Y6)
• Suggest, plan and develop lines of enquiry; collect, organise and represent information, interpret results and review methods; identify and answer related questions (Y6)

Most
• Use appropriate procedures and tools, including ICT
• Relate findings to the original context
• Suggest possible answers, given a question that can be addressed by statistical methods
• Decide which data would be relevant to an enquiry and possible sources
• Plan how to collect and organise small sets of data from surveys and experiments:
(i) design data collection sheets or questionnaires to use in a simple survey
(ii) construct frequency tables for gathering discrete data, grouped where appropriate in equal class intervals
• Collect small sets of data from surveys and experiments, as planned
• Compare two simple distributions using the range and one of the mode, median or mean
• Write a short report of a statistical enquiry, including appropriate diagrams, graphs and charts, using ICT as appropriate; justify the choice of presentation

Some
• Select appropriate procedures and tools, including ICT
• Discuss a problem that can be addressed by statistical methods and identify related questions to explore
• Decide which data to collect to answer a question, and the degree of accuracy needed; identify possible sources; consider appropriate sample size
• Plan how to collect the data; construct frequency tables with equal class intervals for gathering continuous data and two-way tables for recording discrete data
• Collect data using a suitable method (e.g. observation, controlled experiment, data logging using ICT)
• Compare two distributions using the range and one or more of the mode, median and mean
• Write about and discuss the results of a statistical enquiry using ICT as appropriate; justify the methods used

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Statistical enquiry year 7